Crostini with Onion Marmalade

Crostini with Onion Marmalade recipe videos

Crostini with Onion Marmalade is an elegant Italian appetizer featuring toasted bread slices topped with a sweet and savory jam made from slow-cooked onions, often balanced with vinegar or wine. Originating from Tuscany, it highlights simple, high-quality ingredients transformed through patient cooking.

🍽️ Nutrition at a glance

This dish is moderate in carbohydrates from the bread and natural sugars in the onions, with a small amount of fat from olive oil used in toasting and cooking. A single serving typically provides around 150-200 calories, along with some fiber and antioxidants from the onions.

Nutrition breakdown

Calories	250 kcal
Protein	4 g
Carbs	30 g
Fat	12 g
Fiber	2 g
Sugar	10 g
Sodium	350 mg
Potassium	150 mg
Iron	1.5 mg
Calcium	40 mg
Vitamin C	3 mg
Vitamin B6	0.1 mg
Folate	25 mcg
Magnesium	15 mg
Phosphorus	50 mg

Per 3 pieces (120 g) · estimated, varies by recipe

💡 What's interesting

The slow caramelization process for the onions is a classic technique that transforms their sharp flavor into a deep, complex sweetness, making it a versatile preserve. Nutritionally, onions are a good source of quercetin, an antioxidant that supports overall health.